Mohammad Amjad Arain, M.D.
NPI 1639167158ActiveIndividual· Internal Medicine· Santa Maria, CA
Internal Medicine (M.D.) with Central Coast Family Care Medical Associates Inc, practicing in Santa Maria, California. 382 Medicare patients in 2024, $343,000 paid; nearly all of their 9,181 Part D prescriptions were generic (91%). Pfizer Inc. was the largest of 3 companies reporting payments in 2025, $155.19 in all, mostly food and beverage. Lists Marian Regional Medical Center as a hospital affiliation.
Overview
| NPI | 1639167158 |
|---|---|
| Status | Active |
| Entity type | Individual |
| Credential | M.D. |
| Sole proprietor | No |
| NPI issued | Oct 10, 2005 |
| Last updated in NPPES | Apr 8, 2020 |
| Certified by provider | Apr 8, 2020 |
Specialties and licenses
| Taxonomy | Code | License | State |
|---|---|---|---|
| Internal Medicine Primary | 207R00000X | A38905 | CA |
Exclusion screening
| List | Result | Details |
|---|---|---|
| HHS-OIG LEIE · Nov 10, 2026 | No match | Checked by NPI and by name + state |
| North Carolina Medicaid · Nov 11, 2026 | No match | — |
| New York OMIG · Nov 11, 2026 | No match | — |
| Ohio Medicaid · Nov 11, 2026 | No match | — |
| Pennsylvania Medicheck · Nov 11, 2026 | No match | — |
| Washington HCA · Nov 11, 2026 | No match | — |
Official OIG search · How matching works ·Bulk check a roster
Medicare
| Enrollment (PECOS) | Enrolled Practitioner - Internal Medicine (CA) |
|---|---|
| Accepts assignment | Yes (participating) |
Medicare services in 2024
| Medicare patients | 382 |
|---|---|
| Services billed | 24,199 across 51 procedure codes |
| Paid by Medicare | $343,000 |
Part D prescriptions in 2024
| Prescriptions (claims) | 9,181 · 19,537 30-day fills |
|---|---|
| Patients | 484 |
| Total drug cost | $466,803 |
| Generic share | 91% of claims |
Education and affiliations
| Graduation year | 1975 |
|---|---|
| Medicare specialty | Internal Medicine |
| Secondary specialties | Geriatric Medicine |
Medical group
- Central Coast Family Care Medical Associates IncSanta Maria, CA · 10 clinicians
Hospital affiliation
- Marian Regional Medical CenterSanta Maria, CA
Other facilities
- Central Coast Home Health IncHome health agency · San Luis Obispo, CA
- Dignity Health Home HealthHome health agency · Santa Maria, CA
- Superior Home HealthHome health agency · Lompoc, CA
Industry payments (Open Payments)
- 2025$155.19 · 8 payments from 3 companies
- 2024$200.95 · 11 payments from 6 companies
Top paying companies in 2025
| Company | Amount | Payments |
|---|---|---|
| Pfizer Inc. | $57.86 | 3 |
| Astrazeneca Pharmaceuticals LP | $53.41 | 3 |
| Glaxosmithkline, LLC. | $43.92 | 2 |
What the 2025 payments were for
- Food and Beverage$155.19 · 8 payments
Receiving payments does not imply wrongdoing. What Open Payments covers ·original records
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All 37 internal medicine physicians in Santa Maria · All internal medicine physicians in California